import java.applet.*;
import java.awt.*;
import java.lang.*;
import java.util.*;



public class Te extends Applet {

	private int last_x=0;
	private int last_y=0;
	private int kx, ky, kirjutus;
	private int raadius=1, x1, y1, x2, y2;
	private Color current_color=Color.black;
	private Button clear_button; 
	Ring ring;
	Es es=null;
	Te teo=null;
	Ring[] hulk=new Ring[100];
	private int il, ringe=0;
public void init(){
	this.setBackground(Color.white); 
clear_button=new Button("Puhasta");
clear_button.setForeground(Color.black);
clear_button.setBackground(Color.lightGray);
this.add(clear_button);}



public void paint(Graphics g){
int i;
g.setColor(Color.black);
for(i=0;i<ringe;i++)
hulk[i].joonista(g);
	
}



public boolean mouseDown(Event e, int x, int y) {
int i,j, kaugus;
if(e.modifiers==Event.SHIFT_MASK){kx=x; ky=y;} else 
if(e.modifiers==Event.CTRL_MASK){
for(i=ringe-1;i>-1;i--){
kaugus=(int)Math.sqrt((hulk[i].x-x)*(hulk[i].x-x)+(hulk[i].y-y)*(hulk[i].y-y));
if(hulk[i].r==kaugus){j=i;
while(j<ringe){hulk[j]=hulk[j+1]; j++;};ringe--;kirjutus=0;repaint();break;}}}

 last_x=x; last_y=y; return true;}

public boolean mouseDrag(Event e, int x, int y) {
int kaugus;
Graphics g=this.getGraphics();
g.setColor(this.getBackground());
kaugus=(int)Math.sqrt((last_x-kx)*(last_x-kx)+(last_y-ky)*(last_y-ky));
g.drawOval(kx-kaugus, ky-kaugus,2*kaugus, 2*kaugus);
kaugus=(int)Math.sqrt((x-kx)*(x-kx)+(y-ky)*(y-ky));
g.setColor(current_color);
g.drawOval(kx-kaugus, ky-kaugus, 2*kaugus, 2*kaugus);

//g.drawLine(last_x, last_y, x, y);
last_x=x; last_y=y;
return true;}

public boolean mouseUp(Event e, int x, int y){
int kaugus=(int)Math.sqrt((x-kx)*(x-kx)+(y-ky)*(y-ky));
if(kirjutus==1){lisaring(kx, ky, kaugus);es.lisaring(kx, ky, kaugus);}
kirjutus=1;
repaint();
return true;}

public void lisaring(int kx, int ky, int kaugus){
hulk[ringe++]=new Ring(kx, ky,  kaugus); repaint();}

public boolean action(Event event, Object arg){
if (event.target==clear_button) {
	Graphics g=this.getGraphics();
	Rectangle r=this.bounds();
	g.setColor(this.getBackground());
	g.fillRect(r.x,r.y, r.width, r.height);
	raadius=1     ;
es=(Es)getAppletContext().getApplet("esimene");
teo=(Te)getAppletContext().getApplet("teine");
es.Sea(teo);

	return true;}
else return super.action(event, arg);}
}